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A 30.0 cm long string is fixed at both ends. If standing waves are formed, what is the wavelength of the fundamental mode? (the lowest frequency or longest wavelength)
Assume 3 mol of neon (an ideal monatomic gas) at STP is compressed slowly and isothermally to 0.25 the original volume. The gas is then allowed to expand quickly and adiabatically back to its original volume.
Suppose that 0.10mol of argon gas is admitted to an evacuated 50cm3 container at 20° C. The gas then undergoes isobaric heating to the temperature of 300°C. What is the final pressure of gas? What is the final volume.
Announcers at a certain radio station say that they are at "95 FM on your dial," meaning that they transmit at a frequency of 95 MHz (95 megahertz, or 95 million cycles per second). What is the wavelength of the radio waves from this station?
A circular loop of conducting wire, with radius a and resistance R, is placed in a magnetic field. Find an expression for the induced current in the loop as a function of time
A 220 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 3.50 J.
Assume that 36% of the body of a person floating in the Dead Sea will be above the water line, Find the density of the water in the Dead Sea
What is the energy density in the electric field at the surface of a 2.90-cm-diameter sphere charged to a potential of 1000V
A Van de Graaff accelerator is essentially a parallel plate capacitor. Such a machine is changed by an electrical potential of 2.5 x 10^6 volts. What is the energy density stored in the field
(a) How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp is a distance of 85.8 cm from mirror (include sign if negative)?(c) How tall is the lamp..
Two long, parallel conductors carry currents I1 = 3.00 A and I2 = 2.50 A, both directed into the plane of the computer screen. Determine the magnitude and direction of the resultant magnetic field at P.
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
Light of wavelength 580nm illuminates a diffraction grating. The second-order maximum is at angle 41.5 degrees
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